LOINCActiveObservation

LOINC Code 18137-0: Left ventricular Minor axis.papillary level.diastole [Area] by US 2D

18137-0 is a LOINC code used to identify Left ventricular Minor axis.papillary level.diastole [Area] by US 2D in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Minor axis.papillary level.diastole. It is commonly used with the system or sample type Heart.ventricle.left.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Minor axis.papillary level.diastole. It is commonly used with the system or sample type Heart.ventricle.left.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: ACTIVE
  • Order vs observation: Observation
  • Method: US.2D

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Left ventricular Minor axis.papillary level.diastole [Area] by US 2D
  • Minor axis.papillary level.diastole
  • 2D US; CARD.US; Cardiac; Cardio; Cardiology; Dias; Diast; Diastoli; Echography; Heart Disease; Hrt; Hrt ventr; L; Levels; Levl; LT; LV; LVAD; LVL; Minor axis.papillary.dias; PAP; Point in time; QNT; Quan; Quant; Quantitative; Random; SAX; SAXPM; short axis; Sonogram; Sonograph; Sonography; ULS; Ultrasound; Ultrasound - 2-dimensional; Ventricular

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Left ventricular Minor axis.papillary level.diastole [Area] by US 2DLV Minor axis.papillary.dias Area 2D USMinor axis.papillary level.diastoleCARD.USAreaPtHeart.ventricle.left

Frequently asked questions

Code details

Code18137-0
SystemLOINC
Display nameLeft ventricular Minor axis.papillary level.diastole [Area] by US 2D
DescriptionMinor axis.papillary level.diastole
Short nameLV Minor axis.papillary.dias Area 2D US
ComponentMinor axis.papillary level.diastole
PropertyArea
TimingPt
System (specimen)Heart.ventricle.left
ScaleQn
MethodUS.2D
ClassCARD.US
Example unitscm2
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.48

Part names

Minor axis.papillary level.diastoleAreaPtHeart.ventricle.leftQnUS.2DPoint in time (spot)Heart ventricle - leftUltrasound 2D

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.